Rotary internal combustion engines
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United States of America Patent
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Apr 16, 2002
Issued Date -
N/A
app pub date -
Dec 10, 1999
filing date -
Sep 19, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toroidal engine [20] is provided having opposed rotor assemblies [45] supporting pistons [47] arranged on each rotor assembly [45]. Part toroidal working chambers are formed between the pistons [47] in which a combustible mixture of air and fuel is compressed and then ignited at minimum working chamber volume forcing the then active pistons [47] and rotor assemblies [45] to accelerate. The rotor assemblies drive a planetary member [50] for rotation about its axis through a sliding pin connection [56]. The or each planetary member [50] is supported on a crankpin [51] of a crankshaft [40] and is integral with a planet gear meshed with a sun/annulus gear [53] centered on the crankshaft axis. The crankshaft [40] may be arranged to counter-rotate relative to the rotor assemblies [45] by meshing the planetary member gear [52] with an annulus gear [53] or in the same direction by meshing with a sun gear.
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